Adjustable anchor device.



v PATENTED MAR. 12, 1907. W. L. GREELBY. ADJUSTABLE ANCHOR DEVICE.

APPLICATION FILED OGT.30, 1906.

' 2 To all whom it may con/carry.-

. r Ap li ti m filedoctober 30,1906, SerialNo. 341.359.

A U ITED STATES PATENT oFFro E. j WILLIAML. GREELEY, or nnw YORK, Y, I

ADJUSTABLE ANCHOR. DEVICE.

Be it known thatv I, WILLIAM L. \GRE'ELEY,

I a citizen of the United States of America, and

' *a resident of the-borough of Manhattan, city, Y county, and State of New York, have invented certain new and useful Improvements in Adjustable Anchor Devices, of which the following isaspecification. l

My invention'relates in general to means for fastening objects to a wall or body of plastic-material, and'more specifically comprises an improved apparatus for attaching ladders to walls or chimneys formed of what'is known as reinforced concrete. This reinforcedconcrete constructlon comprises a body of plastic cement built up by being placed in forms or molds, and in the case of a tall structure, like a chimney, it isextremely' diificult to place along-series of bolts or anchor-irons therein in process ofconstruction and have the same properly alined when the chimney is complete anda'ladder is attempted to be attached thereto.

-My invention overcgmes these and other difficulties encountered in this and similar attempts to anchor a long exteriorconstruction to a concretewall.

The best form of apparatus embodying'my invention at present known to me is illustrated in the accompanying sheet of drawings, in which- Figure 1 is a side view of a portion of the chimney with ladder thereon. Fig. 2 is a similar view at right angles to the plane of Fig. 1. Fig. 3 is a detail side view of my improved form of anchor-iron with rods or bolts inserted therein, partly broken away. Fig. 4 is a plan View of the same. Fig. 5 is an end view of Fig. 4. Fig. 6 is a horizontal section through a portion of the chimney-wall and ladder, showing in enlarged detail the coin- .pleted construction with the ladder in place. 4

Throughout the drawings like reference.-

figures indicate like parts.

1 is any formof chimney or other wall 2; the anchor-iron, having a flat-body portion and near either end a pair of jaws 3 3, which form slotted portions of said complete anchor-iron. These jaws extend at right angles to the flat body portion of the'anchor-iron, and each jaw has a keyway 4 formed in its inner surface parallel to the body of the anchor-iron. Each of these keyways'4 4, &c., is preferably of the same cross-section and the same distance from the body of the anchor-iron. As shown in Fig. 5, said keyways Specification of Letters Patent.

' are adjacent to the Patented March 12, 1907.

flat body portion of the anchor-iron. I

v 5 5 represent nuts, which are preferabl of square or rectangular form, adapted to s ide 1n keyways 4 4 and fill the'same.

' -'6 6 are threaded rods of proper size tobe inserted between the jaws of the anchor-iron and be screwed into the nuts 5 5.

7 7 are amanuts mounted on the threaded rods 6 6 and adapted .to be screwed down against the slotted anchor-iron and lock the. parts in their proper relation.

8 8 are any convenient form of clam s mounted on the exterior portion .of t e 9 9 are nutsforcing the clamps 8 8 into en gagement with the sides of 'the ladder and holding them there. The. operation of my invention is as at each" lows: In building the chimney proper point in the process of uilding an 7 .threaded rods and adapted'to grasp the sides j of the ladder 1.0. i

anchor-iron is laid in the cement; in the p'osition shown in Fig. 6, so that the slots extend to the surface of the chimney-wall. Before inserting each anchor-iron two nuts 55 are placed in position in the keyways 4 4'at the base of the slots between the jaws. The' slotted jaws extending to the surface of the wall, little or no cement gets between them, and such small portions of cement as do creep'in can easily be dug out. After the chimney is completed the threaded rods 6 6 are fished into the anchor-irons and screwed into the nuts 5 5. The ladder 10 is placed in position, the rods and clamps are properly adjusted to hold said ladder straight and true, and the jam-nuts 7 7 and 9 9 are all set uphard, locking the parts firmly in their adjusted positions.

The advantages of my invention comprise the firmness of the anchoring means and the I ease of adjustment in every direction by which a perfect alinement of the ladder or other object to'be supported is secured. If

theanchor-irons 2 2 are a little out of line with reference to the plane of Fig. 1., the nuts 5 5 can be shifted in the slotted keyway, so

as to bring all the rods 6 6 in vertical alinement. If the surface of the wall is a little 1 out of true or some of the anchor-irons are embedded a little too deeply or not uite deeply enough, the proper alinement o the ladder with reference to the plane of Fig. 2 can be obtainedby not screwing the rods 6 6 completely into the nuts 5 5 or by adjusting the clamping devices on'these rods 01'' by bothmethods combined. The parts being duplicates and interchangeable, they can be manufactured at small cost and'e'asily assembledQ It is evident that various changes could be made in the details of construction illustratedand described, so long as the underprinciple of my invention is employed.

ther forms of clamping device might be employed, the configuration of the anchor-iron might be changed, other meansfor retaining the nuts in the slotted anchor-irons might be substituted for those shown, and similar modifications in matters of detail readily made by those skilled in the art.

' c 'Having thereforedescribed my invention,

be inserted in said slotted portions and screwed into said nuts, together with sliding clampslmounterl onthe outer ends of said rodsand a ladder adapted to be grasped by said clamps. I

' 2; The combination of an anchor-iron adapted to be embedded in a wall and having separate slotted portions extending outward toward the surface of the wall, two nuts fitting into the slotted portions, means for retaining said nuts therein but permitting movement of the same toward or from each other, and screw-threaded rods adapted to be inserted in said slotted portions and screwed into said nuts, together with sliding clamps mounted on'the outer ends of said rods and a ladder adapted to be grasped by said clamps, the outer ends of said rods beingthreaded and nuts mounted on said threaded portion and engaging said clamps.

3. The combinat on of an anchor-iron adapted to be embedded in a wall and having and jam-nuts mounted n the i r n f said rods interiorlv of the anchor-iron.

. Signed at New York, Y,, this th day of October,*1 906. 1

WILLIAM L. GREELEY. Witnesses:

R. B. HEPNER, JAMES J. oBRma 

